15478960

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{211}}^1$

素因数の和:362

約数の個数: 80

約数和(自身を含む): 41640192

約数和(自身を除く): 26161232

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 131, 140, 211, 262, 280, 422, 524, 560, 655, 844, 917, 1048, 1055, 1310, 1477, 1688, 1834, 2096, 2110, 2620, 2954, 3376, 3668, 4220, 4585, 5240, 5908, 7336, 7385, 8440, 9170, 10480, 11816, 14672, 14770, 16880, 18340, 23632, 27641, 29540, 36680, 55282, 59080, 73360, 110564, 118160, 138205, 193487, 221128, 276410, 386974, 442256, 552820, 773948, 967435, 1105640, 1547896, 1934870, 2211280, 3095792, 3869740, 7739480, 15478960]

約数ペア:

[(1, 15478960), (2, 7739480), (4, 3869740), (5, 3095792), (7, 2211280), (8, 1934870), (10, 1547896), (14, 1105640), (16, 967435), (20, 773948), (28, 552820), (35, 442256), (40, 386974), (56, 276410), (70, 221128), (80, 193487), (112, 138205), (131, 118160), (140, 110564), (211, 73360), (262, 59080), (280, 55282), (422, 36680), (524, 29540), (560, 27641), (655, 23632), (844, 18340), (917, 16880), (1048, 14770), (1055, 14672), (1310, 11816), (1477, 10480), (1688, 9170), (1834, 8440), (2096, 7385), (2110, 7336), (2620, 5908), (2954, 5240), (3376, 4585), (3668, 4220)]